Improvement in machines for separating middlsngs



WILLIAM n. MDDLE'ToN, or CLEVELAND., onto Letters Panntfuo. 108,926, dated November 1, 1ero.

vlilliiROlf'Eiil EMT IN MACHINES FOR SEPARATlNG iVilDDLlNGS. l

The Schedule referred to in these Letters Patent anni making part of the same.

To ali whom it may concern rBe it known that I, WILLLAM 1?,.M1DDLET0N, oF Cleveland, in the county of Cuyahoga and State of Ohio, have invented certain new and useful Improvements in Machines for SepnratingMiddlings, of which the following is a full and complete description, reference being had to the accompanying drawing making a part of this speciatioil', in-which- Figure 1 isa side View of the machine.

Figure 2 is a top View. v

Figures .3 and 4 are endw'iews.

Like letters of reference referto like parts in the several views. i e

lhenature of vthis invention relates to an apparatus for the separation ot' middlings, the object being to obtain the tine particles of meal 0r iionntherefi'om, for the purpose of regrindingor not, as the quality of the separated Hour may determine, as hereinafter .more fully described. :s l

In the drawing,-fig. 1 A` represents afframe, in which the bolting-reel B is mounted. `Tlf Tail end thereof is projected into the chamber D/'l 'l Immediately above saidfchamber is a blower or fan,

E, put in communication with the chamber by means ofan air-passage, F. s

G,"-g.-1, isthe outlet or mouth of the blower. 'lhe purposeot'` said blower will hereinafter' be shown.

E is a-Sieve suspended from the frame by means of the springs Llig. 1, o`ne\of ywhich is attachedto each corner of the sievea l A longitudinal vibratory action is obtainedv to the sieve by thewheel J, each-tooiiisof which operates upon the end 'of the sieve,'=ini ellingitforward but which is immediat-ely returned ythe Springsl, situ. ated one on each sideof the sieve,

The practical operation of this machine is as'iol` lows: "f v t The middlings to be bolted-'aud -sifted are conducted into th'e'reel at the upper end or head L as the reel through the cloth into the box M, immediately below it, and from which itis conduct-cd by a conveyer, indicated by the dotted lnes'a, fig. 1, to the outside, through the spout A, lig. 2, (an end view oi' said conveyer is shown in iig. 4,) whereas the coal-ser stuff falls from the tail of the reel into the sieve H, the fine particles of which are shaken through it and fall into a the box N, arranged underneath, while the coarse stui or bran is discharged from the tail of the sieve into a hin or other place.

By this machine all the meal'or ilour is separated from the middlings, leaving nothing but the coarse, dark bran. 'f

It will be obvious that two grades of flour are ob tained from the middlings by this machine, the first or finest being that obtained from the reel, the second that obtained-from the sieve. The first is a white, ne quality of i'lour, free from specks, and fit for use without regrinding/ The second grade .of lour, or

hat obtained ,from the sieve, is of a coarser quality, .4

butti-ee frombran; hence, on beingje-ground, produces aline grade of pure white flour.

By the useof the blower referred to all the dust t; 4 WILLIAM R;'I\IIDDLETON.

Witnesses: fr W. H. BURRIDGE,

revolves. The fine pmticlesof; or flour Afall and light part-iclesof bran that maybe tlontingabout the reel and siei'e are carried oti, as the fan'produces 

